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A student received an ""A"" on the first test of the semester. The student wants to calculate the probability of scoring an ""A"" on the second test. Historically, the instructor knows that the joint probability of scoring ""A""'s on the first two tests is 0.5. Also, historically, the probability that a student scores an ""A"" on the second test given that a student scored an ""A"" on the first test is 0.9. What is the probability that a student will score an ""A"" on the second test?
A) 0.50
B) 0.95
C) 0.55
D) 0.90
what does P10, P20, P30, P40, and P95 mean
Assume this distribution follows a normal distribution. What is the probability that next week's show will: Have between 29 and 37 million viewers?
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A statistical analysis of 1,000 long-distance calls made from the headquarters of the Bricks and Clicks Computer Corporation indicates that the length of these calls is normally distributed with μ = 240 seconds and σ = 40 seconds.
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The state of Texas college admission board has set a standard for automatic acceptances to any university at top 10% of any graduating class will be allowed to attend any university in the state.
A certain type of light bulb that is used on a projector has a Weibull distribution with parameters α=2, and β=3. Compute the following: The probability that the bulb will last 6.
Between 1951 and 2000, there were 295 hurricanes in the Atlantic Ocean. Assume thatthe numbers of hurricanes in different years can be accurately modeled
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